RDL FP-TPX3A Manual

RDL Stavblender FP-TPX3A

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FLAT-PAK™ SERIES

Model FP-TPX3A

Format-A Twisted Pair

Remote Controlled Mixer

 3-Channel Remote-Controlled Audio Mixer

 VCA Level Control for Each Input Pair

 Format-A Twisted Pair Inputs

 Balanced and Unbalanced Outputs

 Two Mono Unbalanced Outputs to Feed Stereo Amplifier

 Inputs and Outputs on Detachable Connectors

 Twisted Pair Interconnection to Remote Control

 Directly Controlled by RDL Remote Controls

 Two and Three Channel Remote Controls Available

 Local Input Available if Only Two Twisted Pair Inputs Used

 Paging Source May Connect to Local Input

 Front-Panel Gain Trim Matches Active or Passive Format-A Senders

 Dual-LED VU Meter Displays Mixer Output Level

 Audio Presence Detector Controls Open-Collector Outputs

 Detector Outputs Intended to Enable Power Amplifiers or System Power

 Energy Savings Possible Using Detector Outputs

 Selectable 10 or 20 Minute Detector Release Delay

The FP-TPX3A is a mono audio mixer in the convenient line of FLAT-PAK products, featuring the superior engineering and components common

to RDL products. The FP-TPX3A may be rack or surface mounted with optional FLAT-PAK series accessories. The FP-TPX3A gives you the

advantages of a quality audio mixer with the added convenience of remote control!

The FP-TPX3A is the ideal choice where a user-accessible mixer must control the volume of multiple sources in a zone. RDL Format-A

twisted pair audio senders connect directly to the mixer, allowing each user input to be balanced or unbalanced, mic or line level.

FP-TPX3A outputs are provided in balanced and unbalanced formats. Two unbalanced outputs are available to feed the mono mixer

output to a stereo amplifier input. Remote control of the mixer allows audio signals to be kept at a single equipment location. Audio is

mixed by VCA circuits that are adjusted by control signals from the remote control.

Two Format-A jacks are provided for signal inputs. If the Format-A senders are daisy-chained, only one of the input jacks is used. The

other input jack may be used to receive another Format-A sender, or may be used to loop the received Format-A signals out to additional

Format-A mixers or receivers. The FP-TPX3A provides power to all connected active senders. The FP-TPX3A is designed to mix the

three Format-A audio signals from pairs A, B and C. A front-panel switch allows the PAIR C mixer input to be fed either from the twisted

pair C input signal or from a local input. A detachable terminal block is provided to connect a local paging or music source to the

LOCAL INPUT. Note: Pair C signals are passed through both Format-A input jacks even if the mixer is set to use a local source instead of

the PAIR C twisted pair source.

Format-A senders are available in active and passive models. Passive Format-A models with unbalanced input jacks send a lower signal

level to the mixer than is sent by active senders or by passive senders with balanced inputs. Each INPUT GAIN control is calibrated to be

adjusted clockwise for an unbalanced passive sender; counter-clockwise for an active sender or passive sender with a balanced input.

A standard RDL dual-LED VU meter provides visual indication of the output level from the mixer. Each input channel operates at unity gain

when the corresponding remote control is adjusted to maximum. This assures ample headroom at all normal operating levels. The mixer

output is mono. The output is available on a single balanced detachable terminal block or on two unbalanced RCA jacks intended to

connect directly to the stereo input of a power amplifier.

The AUDIO LED illuminates whenever audio is present at the output of the mixer, defined as greater than 35 dB below +4 dBu. This

threshold triggers the AUDIO DETECT OUTPUTS. Two open collectors are provided on a detachable terminal block. One of these

terminals switches low when audio is present, and may be used to switch amplifiers or other system components on. The other terminal is

pulled low when audio is not present. It is intended for muting the digital carrier of power amplifiers equipped for remote muting. Either of

these terminals may be used to trigger a vari The use of these terminals to shut downety of other RDL modules or OEM equipment.

unused equipment can produce effective system energy and cost savings. These control terminals normally remain triggered for 10

minutes after audio is absent. The delay can be increased to 20 minutes using a ground jumper on the terminal block.

The mixer levels are set by RDL remote controls that connect directly to the FP-TPX3 through an RJ45 jack using standard twisted pair

cable. The control ports on the mixer and remote controls are color-coded light blue to distinguish them from standard Format-A jacks. The

mixer provides power to the remote control. Either a two or three channel remote control may be used. If remote mixing of only two

channels is needed, a two channel remote may be used. Pair C becomes the i motely controlled. The nput channel that is not re

PAIR C/LOCAL INPUT can be left active at unity gain, typically for a paging source, or may be disabled by a switch set during installation.

If the cable connected to the remote control he mixer output mutes. becomes disconnected, t

RDL 



 659 6th St. 



 Prescott, AZ., USA 86301 



 



 



 (928) 443-9391 FAX (928) 443-9392 www.rdlnet.com

TYPICAL APPLICATIONS:

► Meeting Rooms

► Boardrooms

► Classrooms

► Restaurant or Residential Patios

► Retail Stores

ASSOCIATED REMOTE CONTROL EXAMPLES:

► D-RC2 and DS-RC2 Two-channel remote controls

► D-RC2M and DS-RC2M Two-channel remote controls with muting

► D-RC3 and DS-RC3 Three-channel remote controls

► D-RC3M and DS-RC3M Three-channel remote controls with muting

FLAT-PAK™

SERIES

Model FP-TPX3A

Format-A Twisted Pair

Remote Controlled Mixer

TYPICAL PERFORMANCE

Inputs (3): RDL FORMAT-A; Balanced line level

Input Connections: RJ45 (FORMAT-A); Detachable Terminal Block (Pair C)

Outputs (3): 150 Ω balanced; 1 kΩ unbalanced (2)

Output Connections: Detachable Terminal Block (balanced); RCA Phono Jacks (unbalanced)

Output Level: +4 dBu balanced, -10 dBV unbalanced

Frequency Response: 20 Hz to 20 kHz (+/- 0.25 dB)

THD+N: < 0.05% (20 Hz to 20 kHz); <0.02% (1 kHz)

Noise below +4 dBu: < -100 dB (all channels off); <-75 dB (any channel on); <-70 dB (all channels on)

Headroom above +4 dBu: > 18 dB

CMRR: > 80 dB (50 Hz to 150 Hz)

VCA attenuation: >90 dB (each input, remote control volume off)

Indicators (3): Dual-LED VU meter (2); Audio present (threshold = 35 dB below +4 dBu output)

Power Connections (3): Terminal block; dc power jack (2)

Power Requirement: 24 Vdc @ 120 mA plus connected FORMAT-A sender currents

Overall Dimensions: Height: 1.42 in.3.61 cm

Width: 3.25 in. 8.26 cm

Length: 8.14 in. 20.68 cm

Installation/Operation

Declaration of Conformity available from rdlnet.com.

Sole EMC specifications provided on product package.

Specifications are subject to change without notice.

Radio Design Labs Technical Support Centers

U.S.A. (800) 933-1780, (928) 778-3554; Fax: (928) 778-3506

Europe [NH Amsterdam] (++31) 20-6238 983; Fax: (++31) 20-6225-287

891-2145E

NOTE: This equipment has been tested and found to

comply with the limits for a Class B digital device, pursuant

to part 15 of the FCC Rule. These limits are designed to

provide reasonable protection against harmful interference

in a residential installation. The equipment generates,

uses and can radiate radio frequency energy and, if not

installed and used in accordance with the instructions,

may cause harmful interference to radio communications.

However, there is no guarantee that interference will not

occur in a particular installation. If this equipment does

cause harmful interference to radio or television reception,

which can be determined by turning the equipment off an

on, the user is encouraged to try to correct the

interference by one or more of the following measures:

 Reorient or relocate the receiving antenna

 Increase the separation between the equipment

and receiver

 Connect the equipment into an outlet on a circuit

different from that which the receiver is

connected.

 Consult the dealer or an experienced radio/TV

technician for help.

Produkt Specifikationer

Mærke:	RDL
Kategori:	Stavblender
Model:	FP-TPX3A

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